______ in thought,he almost ran into the car in front of him.
| A．To lose | B．Lost | C．Having lost | D．Losing |
101. This is____ ! You can’t be too careful enough of tomorrow’s meeting.
| A．serious | B．separate | C．necessary | D．Senior |
100. Without their parents’ permission, they kept their marriage ________ until last year.
| A．in secret | B．secretly | C．secret | D．Secretary |
99. It’s a _______ state of affairs when you can’t go out at night for ______ of being attacked.
| A．sad… afraid | B．sad…fear | C．sadly…afraid | D．sadly…fear |
98. _______ and the poor are quite different in their opinions of the political candidates(候选人).
| A．Rich | B．The rich | C．Rich | D．A rich |
97. You’d better stay at school now. Look! The sky is overcast with dark clouds. I’m afraid _____ rain is going to fall.
| A．large | B．big | C．great | D．Heavy |